package com.lkm.asking.service;

import com.lkm.asking.entity.DownFile;

import java.util.List;

public interface DownFileService {
    int addDown(DownFile downFile);
    int countbyDataid(Integer dataid);
    int countbyUsername(String username);
    List<DownFile> listbyDataid(Integer dataid);
    List<DownFile> ListbyUsername(String username);
    int alreadyDown(Integer dataid,String username);
}
